integrate s6 service layer for sdrplay

docker/files/sdrplay/install-lib.x86_64.patch

@@ -0,0 +1,22 @@
+--- sdrplay/install_lib.sh
++++ sdrplay/install_lib_patched.sh
+@@ -4,19 +4,6 @@
+ MAJVERS="3"
+ 
+ echo "Installing SDRplay RSP API library ${VERS}..."
+-read -p "Press RETURN to view the license agreement" ret
+-
+-more sdrplay_license.txt
+-
+-while true; do
+-    echo "Press y and RETURN to accept the license agreement and continue with"
+-    read -p "the installation, or press n and RETURN to exit the installer [y/n] " yn
+-    case $yn in
+-        [Yy]* ) break;;
+-        [Nn]* ) exit;;
+-        * ) echo "Please answer y or n";;
+-    esac
+-done
+ 
+ ARCH=`uname -m`
+ OSDIST="Unknown"